rock solid

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rock solid

adjective more rock solid · most rock solid

  1. Physically very solid; very difficult to move.

    Similar: rock hard, solid as a rock

  2. figuratively Very strong and dependable. Wolfgang Schäuble said on Tuesday he had “no concerns” about Deutsche Bank, speaking shortly after John Cryan, who was appointed to run Germany’s biggest bank seven months ago, sent an email to his 100,000 staff to assure them the bank was “absolutely rock solid”.

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MLA

"rock solid." Wiktionary, via Micwyn, micwyn.com/word/rock%20solid. Accessed 6 Nov. 2026.

APA

rock solid. (n.d.). In Wiktionary, via Micwyn. Retrieved November 6, 2026, from https://micwyn.com/word/rock%20solid

Chicago

"rock solid." Wiktionary, via Micwyn. Accessed November 6, 2026. https://micwyn.com/word/rock%20solid.

BibTeX
@misc{rock_solid_2026,
  title = {rock solid},
  howpublished = {Wiktionary, via Micwyn},
  year = {2026},
  url = {https://micwyn.com/word/rock%20solid},
  urldate = {2026-11-06}
}